edited:Tweaking around web-camera for couple days, I was able to film a "video" for project. And I find out it's not easy to get it right. There are two minor problem still exist:- delay between sound track and film;- color temperature of CMOS sensor in the camera is not correct.Enjoy the show Video on youtube:

For guys, who not interested in hardware part of the project and 'd like to use the software part only in different application ( interactivity/processing ), they can just pull data over serial link, as it was done for debugging purposes, with "f" command.

Now hardware part.I've used Christmas LEDs, that left over since last holiday This is why I put 3 of them in each string, and have to use ULN2003 with 12V power source. Basically, all you need 12 LED's ( 4 - red, 4 - green and 4 blue ) and 12 resistors, connect led + resistor between output of arduino board and ground.